Similar Figures & Dilation Review

Two objects that are the same shape but not the same size are _______.

• Congruent
• Vertical
• Similar
• Complementary 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Matching sides are called

• Corresponding Sides
• Corresponding Angles
• The Same
• Congruent Sides

Tags

CCSS.8.G.A.2

Are the following similar? Why or why not?

• Yes
• No, the corresponding angles are not equal.
• No, the ratios of the corresponding sides are not equal.

Tags

CCSS.HSG.SRT.A.2

Complete each proportion.
CB / DM  =  AC / ?

• BM
• MA
• BC
• AD

Tags

CCSS.HSG.SRT.B.4

The pair of figures is similar. Find the missing side.

• x = 9
• x = 28
• x = 7
• x = 63

Tags

CCSS.HSG.SRT.A.2

Which rule would produce a congruent figure to (x,y)?

• (2x + 3, y -1)
• (x - 4, y + 1)
• (5x, 5y)
• (x-3, 3y) 

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

Which triangle is similar to the above triangle ?

• A
• B
• C
• D

Tags

CCSS.7.RP.A.2A

A triangle has vertices with coordinates (2,0), (3, -1) and (-2,-5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image?

• (5,3), (6,2), (1,-2)
• (6,0), (9,-3), (-6,-15)
• (2/3,0), (1,-1/3), (-2/3,-5/3)
• (-1,-3), (0,-4), (-5,-8)

Tags

CCSS.8.G.A.3

State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.

• (5,3)
• (20,12)
• (-20,-12)
• (-5,-3)

Tags

CCSS.8.G.A.3